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maariee

  • 3 years ago

The formula for the area of a trapezoid with altitude k and bases m and n is . A=k/2 (m+n) solve for m. I REALLYY need help!!!

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  1. Eyad
    • 3 years ago
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    A=k/2 (m+n) 2A/k = m + n 2A/k - n = m m = 2A/k - n

  2. maariee
    • 3 years ago
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    A) (2A-k) /k B) (2A+kn) / k C) (2A-n) / k

  3. jim_thompson5910
    • 3 years ago
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    \[\Large A = \frac{k}{2}(m+n)\] \[\Large 2A = k(m+n)\] \[\Large 2A = km+kn\] \[\Large 2A-kn = km\] \[\Large km = 2A-kn\] \[\Large m = \frac{2A-kn}{k}\]

  4. maariee
    • 3 years ago
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    your a life saveerrr!!

  5. jim_thompson5910
    • 3 years ago
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    yw

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